softmax

Etymology 1
Coined by John S. Bridle in 1989, on the grounds of the function being "a differentiable generalisation of the 'winner-take-all' operation of picking the maximum value".

Noun

 * 1)  A generalization of the logistic function that "squashes" a K-dimensional vector $$\mathbf{z}$$ of arbitrary real values to a K-dimensional vector $$\sigma(\mathbf{z})$$ of real values in the range (0, 1).